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Finding the Fourth Proportional to 68,304.72, 94,260.06 and 38,090.40

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Solution

The fourth proportional to 68,304.72, 94,260.06 and 38,090.40 is: 52,564.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,304.72 : 94,260.06 = 38,090.40 : x
  2. Step 2: Convert to fraction form
    68,304.72/94,260.06 = 38,090.40/x
  3. Step 3: Cross multiply
    68,304.72x = 94,260.06 × 38,090.40
  4. Step 4: Simplify right side
    68,304.72x = 3,590,403,389.42
  5. Step 5: Solve for x
    x = 3,590,403,389.42/68,304.72
  6. Step 6: Final answer
    x = 52,564.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.